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What number will come next i...

What number will come next in the series and replace the Question Mark? (10, 20, 74, 100, 202, ?)

Correct answers: 53

The first user who solved this task is Erkain Mahajanian.

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On the Farm

Two cows are standing next to each other in a field. Daisy says to Dolly, "I was artificially inseminated this morning."
"I don't believe you," says Dolly.
"It's true, no bull!" exclaims Daisy.

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Maria Mitchell

In 1847, Maria Mitchell, the first woman astronomer in the United States, discovered a comet. One night in the Autumn of 1847, Maria looked at the sky through the telescope in her homemade observatory at Nantucket, Mass. and saw a star five degrees above the North Star where there had been no star before. She had memorized the sky and was sure of her observation. It occurred to her that this might be a comet. Maria recorded the presumed comet's coordinates. The next night the star moved again. This time she was sure it was a comet. For this discovery, she was awarded a gold medal by the king of Denmark. She became the first woman elected to the American Academy of Arts and Sciences.

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